AB Amps 400 - User Manual

Details the output stage, transistors, bias, feedback, and protection circuitry.

Describes the modular design, pre-assembly testing, burn-in, and chassis materials.

Covers rack mounting requirements, panel space, depth, and ventilation for optimal placement.

Details power transformer voltage, mains supply, and captive power cord with ground pin.

Explains automatic output disconnection at 95°C heatsink temperature to prevent damage.

Illustrates connections for speakers, audio mixer, and multi-amp systems.

Describes power switch, power LED, level controls, and ON/CLIP indicators.

Details input/output connections, fuse holder, power cord, and mono selector switch.

Step-by-step guide for setting up bridged mono using the mode selector and connections.

Warns against paralleling outputs, changing fuses with power on, and operating with cover removed.